Chemistry and Toxicology of Pyrrolizidine Alkaloids

Chemistry and Toxicology of Pyrrolizidine Alkaloids PDF Author: A. R. Mattocks
Publisher:
ISBN:
Category : Medical
Languages : en
Pages : 424

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Book Description

Chemistry and Toxicology of Pyrrolizidine Alkaloids

Chemistry and Toxicology of Pyrrolizidine Alkaloids PDF Author: A. R. Mattocks
Publisher:
ISBN:
Category : Medical
Languages : en
Pages : 424

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Book Description


Pyrrolizidine Alkaloids

Pyrrolizidine Alkaloids PDF Author: Helmut Wiedenfeld
Publisher: Vandenhoeck & Ruprecht
ISBN: 3899714261
Category : Pyrrolizidines
Languages : de
Pages : 145

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Book Description
Pyrrolizidine alkaloids show only minor toxicity in their native state, but are metabolized in the human or animal organisms to carcinogenic, teratogenic and mutagenic compounds, with the precise structure of these compounds being responsible for the metabolic toxification process. Therefore, to be able to evaluate the toxic potential of each alkaloid, it is essential to exactly know the structure of the respective compound. X-ray structure analysis is the appropriate method both for elucidating the structure and for determining other parameters, such as the lengths of the bonds that influence the metabolic process. This book describes the incidence and the process of the intoxication as well as the possibilities to how the substances may reach the organism. In addition, the compounds elucidated by X-ray structure analysis to date are shown in their three-dimensional structure and structure-toxicity relationships are discussed.Pyrrolizidinalkaloide weisen in nativem Zustand nur geringe Toxizität auf, werden jedoch zu kanzerogenen, teratogenen und mutagenen Verbindungen metabolisiert, wenn sie in den menschlichen oder tierischen Organismus gelangen. Der Verlauf dieser Toxifizierung hängt von der konkreten Struktur dieser Stoffe und weiteren Parametern ab. Zur Bestimmung dieser Faktoren stellt die Röntgenstrukturanalyse die geeignete Methode dar. Im vorliegenden Buch werden das Vorkommen, der Ablauf der Toxifizierung und die Möglichkeiten, wie die Stoffe in den Organismus gelangen können, beschrieben. Es werden die bislang durch Röntgenstrukturanalyse vermessenen Verbindungen in ihrer 3D-Struktur aufgefÃ"hrt und Struktur-Toxizitätsbeziehungen diskutiert.

Analysis of Food Toxins and Toxicants, 2 Volume Set

Analysis of Food Toxins and Toxicants, 2 Volume Set PDF Author: Yiu-Chung Wong
Publisher: John Wiley & Sons
ISBN: 1118992725
Category : Technology & Engineering
Languages : en
Pages : 790

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Book Description
Analysis of Food Toxins and Toxicants consists of five sections, providing up-to-date descriptions of the analytical approaches used to detect a range of food toxins. Part I reviews the recent developments in analytical technology including sample pre-treatment and food additives. Part II covers the novel analysis of microbial and plant toxins including plant pyrrolizidine alkaloids. Part III focuses on marine toxins in fish and shellfish. Part IV discusses biogenic amines and common food toxicants, such as pesticides and heavy metals. Part V summarizes quality assurance and the recent developments in regulatory limits for toxins, toxicants and allergens, including discussions on laboratory accreditation and reference materials.

Poisonous Plants and Phytochemicals in Drug Discovery

Poisonous Plants and Phytochemicals in Drug Discovery PDF Author: Andrew G. Mtewa
Publisher: John Wiley & Sons
ISBN: 1119650232
Category : Science
Languages : en
Pages : 444

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Book Description
Focusing on phytochemicals and their potential for drug discovery, this book offers a comprehensive resource on poisonous plants and their applications in chemistry and in pharmacology. Provides a comprehensive resource on phytotoxins, covering historical perspectives, modern applications, and their potential in drug discovery Covers the mechanisms, benefits, risks and management protocols of phytotoxins in a scientific laboratory and the usefulness in drug discovery Presents chapters in a carefully designed, clear order, making it an ideal resource for the academic researcher or the industry professional at any stage in their career

The Pyrrolizidine Alkaloids

The Pyrrolizidine Alkaloids PDF Author: L. B. Bull
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 320

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Book Description


Acupuncture Research

Acupuncture Research PDF Author: Hugh MacPherson
Publisher: Elsevier Health Sciences
ISBN: 0443100292
Category : Medical
Languages : en
Pages : 288

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Book Description
This is the first book to set out a full range of research strategies for evaluating the clinical practice of acupuncture. Leading acupuncturists and researchers with international reputations share their expertise. They illustrate their descriptions with practical examples of what has worked and what has not. It outlines many of the key challenges in the field. These challenges relate to the nature of acupuncture and the gap between current research evidence and the actual experiences of acupuncturists in the field. By focusing the chapters on key research questions, rather than methods, the book has a user-friendly feel. Each chapter is easily accessible with brief explanations of research designs as well as vignettes of relevant past research. The book is based on a deep understanding of acupuncture, with its inherent complexity in practice, whether based on traditional principles or more modern concepts. By incorporating a more sophisticated understanding of the field, this book details a range of strategies aiming to develop the evidence base with the utmost rigour. It is the first book on acupuncture research to take this unique view, integrating the very best of evidence-based medicine with a genuine sensitivity to the discipline of acupuncture, from its traditional and holistic roots to its more modern interpretations.

Meyler's Side Effects of Drugs

Meyler's Side Effects of Drugs PDF Author: Jeffrey K. Aronson
Publisher: Elsevier
ISBN: 0444537163
Category : Medical
Languages : en
Pages : 7629

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Book Description
Meyler's Side Effects of Drugs: The International Encyclopedia of Adverse Drug Reactions and Interactions, Sixteenth Edition, Seven Volume Set builds on the success of the 15 previous editions, providing an extensively reorganized and expanded resource that now comprises more than 1,500 individual drug articles with the most complete coverage of adverse reactions and interactions found anywhere. Each article contains detailed and authoritative information about the adverse effects of each drug, with comprehensive references to the primary literature, making this a must–have reference work for any academic or medical library, pharmacologist, regulatory organization, hospital dispensary, or pharmaceutical company. The online version of the book provides an unparalleled depth of coverage and functionality by offering convenient desktop access and enhanced features such as increased searchability, extensive internal cross-linking, and fully downloadable and printable full-text, HTML or PDF articles. Enhanced encyclopedic format with drug monographs now organized alphabetically Completely expanded coverage of each drug, with more than 1,500 drug articles and information on adverse reactions and interactions Clearer, systematic organization of information for easier reading, including case histories to provide perspective on each listing Extensive bibliography with over 40,000 references A must–have reference work for any academic or medical library, pharmacologist, regulatory organization, hospital dispensary, or pharmaceutical company

Toxicants of Plant Origin

Toxicants of Plant Origin PDF Author: Peter R. Cheeke
Publisher: CRC Press
ISBN: 9780849369902
Category : Medical
Languages : en
Pages : 350

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Book Description
This comprehensive treatise offers an in-depth discussion of natural toxicants in plants, emphasizing their effects as defenses against herbivory. Coevolution of plants and her-bivores are covered with a detailed treatment of toxicant metabolism and systemic effects in mammalian tissues. Con-sideration of the economic importance of plant toxins, modi-fication by plant breeding, management of toxico-sis, and toxicant problems in various geographic areas are in-cluded. Each volume offers an extensive description of chemistry, biosynthesis, analysis, distribution in plants, metabolism in mam-mals and insects, and practical problems in humans and livestock.

Alkaloids

Alkaloids PDF Author: Shinji Funayama
Publisher: Elsevier
ISBN: 0124173144
Category : Science
Languages : en
Pages : 295

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Book Description
Alkaloids are a large group of structurally complex natural products displaying a wide range of biological activities. The purpose of Alkaloids: A Treasury of Poisons and Medicines is to classify, for the first time, the alkaloids isolated from the natural sources until now. The book classifies all of the alkaloids by their biosynthetic origins. Of interest to the organic chemistry and medicinal chemistry communities involved in drug discovery and development, this book describes many alkaloids isolated from the medicinal plants, including those used in Japanese Kampo medicine. - Classifies and lists alkaloids from natural sources - Occurrence and biosynthetic pathways of alkaloids - Indicates key uses and bioactivity of alkaloids

Medical Toxicology of Natural Substances

Medical Toxicology of Natural Substances PDF Author: Donald G. Barceloux
Publisher: John Wiley & Sons
ISBN: 1118382765
Category : Science
Languages : en
Pages : 1196

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Book Description
Interest and information in the field of medical toxicology has grown rapidly, but there has never been a concise, authoritative reference focused on the subjects of natural substances, chemical and physical toxins, drugs of abuse, and pharmaceutical overdoses. Medical Toxicology of Natural Substances finally gives you an easily accessible resource for vital toxicological information on foods, plants, and animals in key areas in the natural environment.